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System cancels noise using cross-correlation.

The Dual Channel Phase Noise Test System (DCNTS) is a two-channel phase and amplitude noise analyzer with a dual demodulator architecture that allows the test system to use cross-correlation to cancel its internal noise. The resulting tests are similar to comparing the output of two separate systems while displaying only the similarities and rejecting the differences.

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The residual noise measurement front end incorporates the hardware to automatically measure noise on two-port devices, either at RF or microwave frequencies. Features include a 50-MHz to 1.8/18-GHz input frequency and a 2-MHz to 1.8/26.5/40/50-GHz input frequency measurement range. Offset capability is 0.01 Hz to 40 MHz, cross-correlation 1 to 100,000, [+ or -] 2-dB accuracy to 1-MHz offset and [+ or -] 3 dB to 40-MHz offset, and 3-mHz to 46-kHz instantaneous resolution. Noise Extended Technologies, www.rsleads.com/008ee-186

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Title Annotation:Noise Extended Technologies
Publication:EE-Evaluation Engineering
Article Type:Brief article
Geographic Code:1USA
Date:Aug 1, 2010
Words:144
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